Sigma Lithium (NASDAQ:SGML – Get Free Report) and Kopin (NASDAQ:KOPN – Get Free Report) are both small-cap computer and technology companies, but which is the better investment? We will contrast the two businesses based on the strength of their analyst recommendations, valuation, earnings, profitability, dividends, risk and institutional ownership.
Profitability
This table compares Sigma Lithium and Kopin’s net margins, return on equity and return on assets.
| Net Margins | Return on Equity | Return on Assets | |
| Sigma Lithium | -45.64% | -59.34% | -15.20% |
| Kopin | 5.00% | 4.85% | 2.36% |
Analyst Ratings
This is a breakdown of recent ratings and target prices for Sigma Lithium and Kopin, as reported by MarketBeat.com.
| Sell Ratings | Hold Ratings | Buy Ratings | Strong Buy Ratings | Rating Score | |
| Sigma Lithium | 2 | 1 | 3 | 0 | 2.17 |
| Kopin | 1 | 0 | 5 | 1 | 2.86 |
Risk & Volatility
Sigma Lithium has a beta of 0.64, indicating that its share price is 36% less volatile than the S&P 500. Comparatively, Kopin has a beta of 3.4, indicating that its share price is 240% more volatile than the S&P 500.
Institutional and Insider Ownership
64.9% of Sigma Lithium shares are owned by institutional investors. Comparatively, 31.0% of Kopin shares are owned by institutional investors. 48.6% of Sigma Lithium shares are owned by insiders. Comparatively, 2.8% of Kopin shares are owned by insiders. Strong institutional ownership is an indication that hedge funds, endowments and large money managers believe a company will outperform the market over the long term.
Valuation & Earnings
This table compares Sigma Lithium and Kopin”s top-line revenue, earnings per share (EPS) and valuation.
| Gross Revenue | Price/Sales Ratio | Net Income | Earnings Per Share | Price/Earnings Ratio | |
| Sigma Lithium | $110.01 million | 17.03 | -$50.19 million | ($0.45) | -37.38 |
| Kopin | $35.04 million | 26.37 | $2.61 million | $0.01 | 505.00 |
Kopin has lower revenue, but higher earnings than Sigma Lithium. Sigma Lithium is trading at a lower price-to-earnings ratio than Kopin, indicating that it is currently the more affordable of the two stocks.
Summary
Kopin beats Sigma Lithium on 12 of the 15 factors compared between the two stocks.
About Sigma Lithium
Sigma Lithium Corporation engages in the exploration and development of lithium deposits in Brazil. It holds a 100% interest in the Grota do Cirilo, Genipapo, Santa Clara, and São José properties comprising 29 mineral rights covering an area of approximately 185 square kilometers located in the Araçuaí and Itinga regions of the state of Minas Gerais, Brazil. It serves electric vehicle industries worldwide. The company was formerly known as Sigma Lithium Resources Corporation and changed its name to Sigma Lithium Corporation in July 2021. The company is headquartered in São Paulo, Brazil.
About Kopin
Kopin Corporation, together with its subsidiaries, invents, develops, manufactures, and sells microdisplays, subassemblies, and related components for defense, enterprise, industrial, and consumer products in the United States, the Asia-Pacific, Europe, and internationally. It offers miniature active-matrix liquid crystal displays, liquid crystal on silicon displays/spatial light modulators, organic light emitting diode displays, microLED display technologies, application specific integrated circuits, backlights, and optical lenses; and head-mounted and hand-held VR products. The company’s products are used for soldier thermal weapon rifle sights, avionic fixed and rotary wing pilot helmets, armored vehicle targeting systems, and training and simulation headsets; industrial and medical headsets; 3D optical inspection systems; and consumer augmented reality and virtual reality wearable headsets systems. Kopin Corporation was incorporated in 1984 and is headquartered in Westborough, Massachusetts.
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